Almost all windlasses accept either HT/G43 Chain (note, HT Chain is sometimes referred to as G40, G43, or G4 chain which all work interchangeably) or BBB chain, with nearly all new windlasses requiring HT/G43 Chain.
What does G4 mean on a chain?
G4, G40, G43 -High Test
Made from high carbon steel, it has twice the working load of BBB chain which allows a smaller chain size to be used. It is marked approximately every foot with the manufacturer's symbol and grade marking: G4, G40, G43 or G400.
What size chain is G4?
Chain Type: Grade 43 Domestic High Test ISO (embossed "G4") Chain Trade Size: 3/8" Working Load Limit: 5,400 lbs. Wire Diameter: 0.394"
What is G43 anchor chain?
ISO High Test Chain uses high tensile strength carbon steel that provides a greater strength-to-weight ratio than proof coil chain. SKU: 10312746 Category: Steel and Stainless Steel Chains.
What is G40 chain?
A high tensile strength carbon steel chain specifically designed for anchoring applications. Hot-dip galvanized short link chain, calibrated to latest DIN766 standard. Each link is calibrated to ensure a proper fit for most metric windlasses.
19 related questions foundWhat do G4 chains weigh?
Aside from strength, the next important factor to consider is the weight of the chain, as this directly affects the holding power of your anchor that is desperately trying to hold onto the bottom! 5/16 G4 weighs 1.1 pounds per foot. 3/8 G4 weighs 1.5 pounds per foot. 1/2 G4 weighs 2.5 pounds per foot.
What does grade 70 chain mean?
Grade 70 chain is about 20 percent stronger than Grade 43. It is made from a heat-treated carbon steel that is incredibly sturdy and durable. Grade 70 industrial chains typically come in a gold chromate finish for easy identification – as well as protection from abrasion and scratches.
What is the strongest grade of chain?
Grade 120. An ultra-premium high strength chain designed specifically for the rigorous requirements of overhead lifting applications.
What are the different grades of chain?
What are the different grades of chain?
- Chain Grade 30. Chain grade 30 is an economical and handy general-purpose chain with practical agricultural, industrial, marine, and household applications. ...
- Chain Grade 43. ...
- Chain Grade 50. ...
- Chain Grade 63. ...
- Chain Grade 70. ...
- Chain Grade 80. ...
- Chain Grade 100. ...
- Chain Grade 120.
Which chain is better G4 or BBB?
There is quite a difference in the length of a 3/8" BBB chain link and a 3/8" G4 chain link. The internal length of 3/8" BBB is 1.09" and the G4 is 1.22". BBB has more links per foot than G4 which is why a given length of BBB weighs more than the same length of G4. You should buy which ever your gypsy is designed for.
How do I tell what grade my chain is?
Just look for the “L” and then the number after it. Each number following the “L” corresponds with a grade of chain. On grade 70 this can also show that the chains are DOT approved! The “L” represents Laclede and our commitment to high quality chain products.
How do I know what size chain I have?
To measure the chain size, if you have just the sprocket, use calipers to measure between the teeth. Measure from center to center of where the chain roller would set between the teeth that will give you the pitch. Once you know the pitch you can determine what chain size you would need.
How strong is a 3/8 chain?
This heavy duty lifting chain has a working load limit (WLL) up to 7,100 lbs. 20 feet of 3/8" grade 80 overhead lifting chain is perfect for below-the-hook products and adjustable lifting beams. Overhead lifting chain should be used in accordance with OSHA guidelines.
What chain is hardest to cut?
The Best Chain Has Hexagonal or Square Links
Hexagonal links (or square or trapezoidal) make it impossible for bolt cutters to get a grip. Chain sold by the foot at the local hardware store performs lifting and towing well, but not theft resistance.
Does grade 70 chain rust?
Grade 70 chain has a gold chromate finish to help resist corrosion from continuous exposure to the elements and the rigors of highway use, such as road salts in the winter.
Can grade 70 chain be used for lifting?
Grade 70 Chain
It's heat-treated in carbon steel and has a recognizable golden chromate finish. It should not be used for overhead lifting. It is a trucker's chain, built for fastening and placing, but definitely not for carrying loads in high places.
How strong is G70 chain?
Chain Grading
The G70 designation signifies that a tow chain's tensile strength is rated at 70. A tow chain may be marked with a 7, 70, or even 700 to signify the G70 grade.
What is grade 80 chain used for?
Grade 80 chain is a heat-treated steel chain with a high strength to weight ratio. Its strength makes it safe for overhead lifting and lifting slings. It's also excellent for uses such as recovery, safety, and towing chains.
Can grade 80 chain be used for transport?
Grade 80 Chain
Grade 80, a heat-treated steel chain, differs from Grade 70 in that it's known for its excellent strength to weight ratio; therefore, it can be safely used for overhead lifting. Additionally, it can be used as a towing, safety, and recovery chain.
Where is ACCO chain made?
Drum, ACCO Brand, Made In USA, FREE Shipping! - 1st Chain Supply.
How do I know what size chain I need for my chainsaw?
To get the correct size, simply count 3 rivets on the chain and measure the distance between them from the centre points. Now divide this by half to get your size. As an example, three rivets that measure ½ an inch across divided by two gives you a pitch of a ¼ inch.
